Matrimony به انگلیسی
From Longman Dictionary
mat‧ri‧mo‧ny /ˈmætrəməni $ -moʊni
the state of being married
وضعیت متاهل بودن
Example
Anyway, matrimony carried an added bonus: travel benefits
a couple bound in the state of holy matrimony
But of course, you aren’t out to trap me into matrimony, so it is easier for you to be frank
the institution of matrimony
So much that you would continue on with your matrimony just for their sake